lib/std/target/amdgpu.zig     |  12 +-
 lib/std/target/powerpc.zig    |  24 +--
 lib/std/target/riscv.zig      |   2 -
 lib/std/target/x86.zig        | 264 ++++++++++++-------------
 tools/update_cpu_features.zig | 341 +++++++++++++++++++-------------
 5 files changed, 355 insertions(+), 288 deletions(-)